Alone In a Planet

It has been over 15 years. 15 years since they all died, every human except me. Now I have to survive to see if I'm truly alone on this vast planet, but with sea monsters and the aftermath of the nuclear disaster, will I be able to? Well, that's the golden question, isn't it?

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Keyln Luella Grace was the definition of a normal teenager until it happened. A catastrophe that ended human civilization, and only she manages to survive due to her just being in the right place at the right time. Now she is all alone, with nobody to help her face the dangers of this new world and with only her knowledge to help keep her alive. Will she be able to survive? Or will she die trying as the last of the human race?